| AL | ASAQ | MQAS | DHAPQ | p-valuea | ||||
---|---|---|---|---|---|---|---|---|---|
N | Â | N | Â | N | Â | N | Â | Â | |
Maternal age median (IQR) | 881 | 21 (18–26) | 842c | 22 (19–27) | 850c | 22 (19–27) | 855 | 20 (18–25) | 0.67 |
Gestational age (week) median (IQR) | 804 | 38 (36–38) | 729 | 38 (38–40) | 733 | 38 (36–40) | 709 | 38 (36–38) | 0.30 |
Gravidity n (%) | 880 | Â | 842 | Â | 850 | Â | 855 | Â | 0.55 |
 1st pregnancy |  | 319 (36.3) |  | 315 (37.4) |  | 278 (32.7) |  | 343 (40.1) |  |
 2nd pregnancy |  | 204 (23.2) |  | 187 (22.2) |  | 201 (23.7) |  | 216 (25.3) |  |
 3rd or more |  | 357 (40.6) |  | 340 (40.4) |  | 371 (43.7) |  | 296 (34.6) |  |
Malaria prevalence (peripheral blood) n (%) | 829 | 120 (14.5) | 756 | 95 (12.6) | 752 | 123 (16.4) | 748 | 75 (10.0) | 0.21 |
Parasite density; median (IQR) | 120 | 1560 (440–6804) | 95 | 1800 (320–8220) | 123 | 1729 (561–9000) | 75 | 2320 (480–8960) | 0.09 |
 % ≤ 2000/µL (n) |  | 55.0 (66) |  | 53.7 (51) |  | 52.0 (64) |  | 46.7 (35) |  |
 % > 2000/µL (n) |  | 45.0 (54) |  | 46.3 (44) |  | 48.0 (59) |  | 53.3 (40) |  |
Gametocyte carriage n (%) | 829 | 3 (0.4) | 756 | 4 (0.5) | 752 | 4 (0.5) | 748 | 2 (0.3) | 0.89 |
Maternal Hb median (IQR) | 828 | 11.2 (10.1–12.2) | 757 | 11.5 (10.4–12.4) | 752 | 11.3 (10.3–12.3) | 749 | 11.2 (10.3–12.2) | 0.30 |
Placenta Malaria n (%)b | 711 | Â | 655 | Â | 674 | Â | 664 | Â | Â |
 Acute infection |  | 7 (1.0) |  | 14 (2.1) |  | 13 (1.9) |  | 11 (1.7) |  |
 Chronic infection |  | 191 (26.9) |  | 168 (25.6) |  | 177 (26.3) |  | 171 (25.8) |  |
 Past infection |  | 444 (62.4) |  | 382 (58.3) |  | 398 (59.1) |  | 409 (61.6) |  |
 No infection |  | 69 (9.7) |  | 91 (13.9) |  | 86 (12.8) |  | 73 (11.0) |  |